Found similar product in stock: FRAME-EXIT ROLLER;ML-2950ND, (MPN: JC93-00412A)
Samsung JC93-00412A is a frame-exit roller assembly for a printer. It is listed as part of the exit section, where it supports the paper path as printed sheets leave the machine.
The Samsung parts catalogue identifies this part for the ML-2950ND and lists one assembly. Its position in the frame-main-exit parts list distinguishes it from other rollers and frames in the printer.
This is a printer service component for the paper exit assembly; the catalogue does not specify dimensions or package contents beyond the single listed unit.